<template>
  <div :class="['hamburger', { 'is-open': isOpen }]" @click="toggleClick">
    <svg viewBox="0 0 1024 1024" xmlns="http://www.w3.org/2000/svg" width="100%" height="100%">
      <path
        d="M408 442h480c4.4 0 8-3.6 8-8v-56c0-4.4-3.6-8-8-8H408c-4.4 0-8 3.6-8 8v56c0 4.4 3.6 8 8 8zm-8 204c0 4.4 3.6 8 8 8h480c4.4 0 8-3.6 8-8v-56c0-4.4-3.6-8-8-8H408c-4.4 0-8 3.6-8 8v56zm504-486H120c-4.4 0-8 3.6-8 8v56c0 4.4 3.6 8 8 8h784c4.4 0 8-3.6 8-8v-56c0-4.4-3.6-8-8-8zm0 632H120c-4.4 0-8 3.6-8 8v56c0 4.4 3.6 8 8 8h784c4.4 0 8-3.6 8-8v-56c0-4.4-3.6-8-8-8zM142.4 642.1L298.7 519a8.84 8.84 0 0 0 0-13.9L142.4 381.9c-5.8-4.6-14.4-.5-14.4 6.9v246.3a8.9 8.9 0 0 0 14.4 7z"
      />
    </svg>
  </div>
</template>

<script lang="ts">
import { defineComponent } from 'vue'

export default defineComponent({
  name: 'Hamburger',
  props: {
    isOpen: {
      type: Boolean,
      default: false,
      required: true
    }
  },
  emits: ['toggle-click'],

  setup(props, ctx) {
    function toggleClick() {
      ctx.emit('toggle-click')
    }

    return { toggleClick }
  }
})
</script>

<style scoped>
.hamburger {
  cursor: pointer;
  transform: perspective(0);
}

.hamburger svg {
  fill: currentColor;
}

.hamburger.is-open svg {
  transform: rotateY(180deg);
}
</style>
